Spongebob Squarepants Vampire Halloween Themed Cotton Lounge Pants for Adults. These unisex lounge pants are great for lounging and sleeping in, and are the perfect pajamas for Spongebob fans, especially around Halloween. These fun lounge pants for men and women are made of 100% cotton, and feature images of Spongebob in a Vampire Costume, and the words "Vampire Pants". Though these are unisex pants, they come in men's sizes. Available in men's USA Standard sizes Small 28"-30", Medium 32"-34" Large 36"-38" and XL 40"-42". BS-SB407 SB407LPMKZA